1. On August 10, 1861, the first company of Wisconsin soldiers left for the Civil War. They were known as the "Iron Brigade" and were known for their bravery and determination in battle.

2. On August 10, 1897, the Wisconsin State Capitol building was dedicated. It was designed by architect George B. Post and is known for its beautiful dome and ornate interior.

3. August 10, 1910, was the date of a massive hailstorm that hit the city of Milwaukee. Hailstones as big as baseballs were reported, causing damage to homes, buildings, and crops.

4. On August 10, 1968, the Summer Olympics began in Mexico City. Several athletes from Wisconsin competed in the games, including pole-vaulter Bob Seagren, who won a gold medal.

5. The Wisconsin State Fair typically starts around August 10th each year. The fair is known for its famous cream puffs, live music, and numerous attractions and exhibits showcasing Wisconsin's agriculture and culture.